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-rw-r--r--drivers/hid/i2c-hid/i2c-hid.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid.h b/drivers/hid/i2c-hid/i2c-hid.h
new file mode 100644
index 000000000..2c7b66d5c
--- /dev/null
+++ b/drivers/hid/i2c-hid/i2c-hid.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef I2C_HID_H
+#define I2C_HID_H
+
+#include <linux/i2c.h>
+
+#ifdef CONFIG_DMI
+struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name);
+char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name,
+ unsigned int *size);
+u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product);
+#else
+static inline struct i2c_hid_desc
+ *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name)
+{ return NULL; }
+static inline char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name,
+ unsigned int *size)
+{ return NULL; }
+static inline u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product)
+{ return 0; }
+#endif
+
+/**
+ * struct i2chid_ops - Ops provided to the core.
+ *
+ * @power_up: do sequencing to power up the device.
+ * @power_down: do sequencing to power down the device.
+ * @shutdown_tail: called at the end of shutdown.
+ */
+struct i2chid_ops {
+ int (*power_up)(struct i2chid_ops *ops);
+ void (*power_down)(struct i2chid_ops *ops);
+ void (*shutdown_tail)(struct i2chid_ops *ops);
+};
+
+int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops,
+ u16 hid_descriptor_address, u32 quirks);
+void i2c_hid_core_remove(struct i2c_client *client);
+
+void i2c_hid_core_shutdown(struct i2c_client *client);
+
+extern const struct dev_pm_ops i2c_hid_core_pm;
+
+#endif